The popularity and success of the Sweet Sixteen from 1937 through 1947 earned it a permanent place in Browning marketing as the 1948 engraved Sweet Sixteen.
These dates were gleaned primarily from Sauerfan's timeline and the Shirley/Vanderlinden book. Browning informed me the gun left the factory in 1955. Last shipped before the outbreak of WWI was SN 19642.
Details about dates, transitions, exceptions, and other nuances can be found in the Shirley/Vanderlinden book, Browning Auto 5 Shotguns. 1909 1 - 3200 1910 to 1914 There is only vague info about 16 ga SNs in SV (page 74) for the time 1910 to 1914. 1915 to 1918 No production due to German occupation of Belgium during WWI.
Barrel Rib four possibilities in 1937: none, solid (hollow) rib, ventilated rib with X posts or matted finish for Sweet Sixteen (SV page 9 Barrel Ring as before or drilled with three holes on the barrels of Sweet Sixteen Safety Gold plated (Sweet Sixteen only) Trigger Gold plated (Sweet Sixteen only) Misc. No serial number distinction between the Sweet 16 and the Standard 16 gauge A5s.
105850 111000 1938: 111001 118200 1939: 118201 126123 1940: 126124 126175 ****1940 1953**** "A" Prefix American made Browning by Remington Arms. No serial number distinction between the Sweet 16 and the Standard 16 gauge A5.
Click for more info Smith & Wesson Model 17 K-22 22 Long Rifle revolver with 5-1/4" blued barrel with a matted rib. Built on the square butt K frame, having a narrow serrated top rib with no taper on the barrel.
Click for more info Here is the Smith and Wesson Outdoorsman First Model with Red Box. Click for more info Smith and Wesson K-22 Target Masterpiece pre-1955.
I compiled this quick reference serial number guide for dating 16ga Browning A5s and the Auto 5-3 Shot, by serial number.
A common mistake I have seen in many, many, gun shops and online sites is to assign the 12ga serial number date to a 16ga.
The bore is very good as well with strong lands and grooves.
Click for more info S&W K-22 Masterpiece .22 LR, 6" bbl, shiny bore, good rifling, blued finish, adjustable rear sight, blade front sight, case hardened target trigger - hammer, and very nice wood grips. Click for more info Smith & Wesson model 18-2, K 22 Combat Masterpiece, Square butt,4" Pinned Barrel Excellent Diamond Grips, Beautiful CC on Hamer and Trigger,97% Bluing, Circa 1965. This is a handsome revolver that has matching numbers on the frame, barrel, yoke, cylinder, and extractor. Click for more info This K-22 is in very good shape and retains all of its original finish.
This is the first year of standard production of the 2 inch chambered 16 gauge.